A Miniaturized HF/UHF Dual-Band RFID Tag Antenna

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Abstract

This paper presents a miniaturized HF/UHF dual-band antenna fed by a dual-interface RFID chip. The main goal of the antenna design is to achieve a compact, cost-effective, multi-purpose, and high performance RFID transponder. The proposed antenna utilizes the HF coil as a ground for a meandered monopole antenna operating at UHF band. An inductive network is adopted to achieve a conjugate matching between the antenna and the UHF chip interface. Measurements of a transponder prototype show a power sensitivity of −16.5 dBm, which corresponds to a realized antenna gain of approximately −1 dBi at 860 MHz.
Original languageEnglish
Title of host publication2021 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting, APS/URSI 2021 - Proceedings
Pages383-384
Number of pages2
ISBN (Electronic)9781728146706
DOIs
Publication statusPublished - 16 Feb 2022

Keywords

  • multifrequency antennas
  • transponder
  • radio frequency identification
  • antennas

ASJC Scopus subject areas

  • Instrumentation
  • Computer Networks and Communications

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